* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #87CEFA;
}

.max {
    width: 1000px;
    height: 1000px;
    border: 2px solid black;
    margin: 0 auto;
    background-color: #87CEFA;
}

.daohang {
    width: 1000px;
    height: 100px;
    border: 2px solid black;
}


/* 一下是 */

.dtext1 {
    width: 400px;
    height: 300px;
    margin-top: 10%;
    margin-left: 3%;
    border: 1px solid white;
    float: left;
    border-radius: 1px;
    font-size: 30px;
}

.dtext2 {
    width: 400px;
    height: 300px;
    margin-top: 7%;
    margin-left: 7%;
    border: 1px solid white;
    float: left;
    font-size: 35px;
}

.picture1 {
    width: 400px;
    height: 300px;
    margin-top: 10%;
    margin-left: 50%;
    border: 1px solid black;
}

.picture2 {
    width: 400px;
    height: 300px;
    margin-top: 7%;
    margin-left: 3%;
    border: 1px solid black;
    float: left;
}

input {
    width: 80px;
    height: 30px;
    border: 1px solid chartreuse;
    margin-top: 50px;
    margin-left: 40%;
}

.text1 {
    margin-top: 30px;
    margin-left: 50px;
    font-size: 30px;
    color: rgb(81, 143, 172);
}

.tu1,
.tu2 {
    width: 400px;
    height: 300px;
}